If Mux/Px < MUy/Py, then A. Spending a dollar less on Y and a dollar more on X increases utility B. Spending a dollar less on X and a dollar more on Y increases utility C. The substitution effect will increase the quantity of the good demanded while the income effect t will decrease the quantity of the good demanded D. The substitution effect will decrease the quantity of the good demanded while the income effect will increase the quantity of the good demanded

Which of the statements best describes why the aggregate demand curve is downward sloping? an increase in the aggregate price level causes consumer and investment spending to fall, because consumer purchasing power decreases and money demand increases. as the aggregate price level increases, consumer expectations about the future change. as the aggregate price level decreases, the stock of existing physical capital increases. as a good's price increases, holding all else constant, the good's quantity demanded decreases.